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12357206663 = 23815189923
BaseRepresentation
bin10111000001000110…
…00000001010000111
31011220012021010202212
423200203000022013
5200301421103123
65402105454035
7615136344404
oct134043001207
934805233685
1012357206663
11527135929a
12248a4a131b
13121c172009
148532432ab
154c4cce878
hex2e08c0287

12357206663 has 4 divisors (see below), whose sum is σ = 12362398968. Its totient is φ = 12352014360.

The previous prime is 12357206627. The next prime is 12357206669. The reversal of 12357206663 is 36660275321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36660275321 = 65609558769.

It is a cyclic number.

It is not a de Polignac number, because 12357206663 - 210 = 12357205639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12357206663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12357206669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2592581 + ... + 2597342.

It is an arithmetic number, because the mean of its divisors is an integer number (3090599742).

Almost surely, 212357206663 is an apocalyptic number.

12357206663 is a deficient number, since it is larger than the sum of its proper divisors (5192305).

12357206663 is an equidigital number, since it uses as much as digits as its factorization.

12357206663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192304.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 12357206663 in words is "twelve billion, three hundred fifty-seven million, two hundred six thousand, six hundred sixty-three".

Divisors: 1 2381 5189923 12357206663